American First National Bank, Plano Branch Basic Info Reviews Routing Numbers Map & Direction Name: American First National Bank, Plano Branch Main Office: No Service: Full Service Brick and Mortar Office Location: 1912 Avenue K Plano, Texas 75074 Collin County View other branches Phone: 972-578-7777 Please enable JavaScript to view the comments powered by Disqus. Routing NumberProcess ACH TransferProcess Wire Transfer111915259YN113024106YY From: To: